旋转帽

例句：

1. 1.The car needs to be rotated every few months.
   这辆车每隔几个月就需要旋转一下。
2. 2.The team rotates players during the game.
   在比赛中，队伍会轮换球员上场。
3. 3.The machine rotates the gears automatically.
   这台机器自动地旋转齿轮。